marathon is called off. plus, the election only four days away, this country's african-american >> carolyn: little known form of therapy is gaining attention in a new film called sessions, it involves surrogate partners. >> carey is a single professional who has gone through a profound change. she gives the credit to a professional sexual surrogate. >> i got my life. >> her fear of physical intimacy stemmed from physical sexual abuse as a child. >> so i just knew i needed something hands on. >> she was very scared. she was scared of human connection. >> trained surrogates can help clients conquer physical barriers from psych lodge issues. >> can you teach someone to swim by thuak therapy. telling them a story how to ride a bike, scenes no. >> it's been around for decades. supporters pointed to the use of surrogate partners by masters and johnson back in the 1950s but interest in the practice has increased dramatically following the release of a documentary and now a feature length film. >> it details the relationship between a journalist and bay area surrogate partner played by helen hunt.